[INFO] cloning repository https://github.com/mneumann/graph-similarity-cmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mneumann/graph-similarity-cmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 897c11c0bded737266fb5e7823892da9e4a5b46c
[INFO] testing mneumann/graph-similarity-cmd against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/graph-similarity-cmd on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] finished tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] tweaked toml for git repo https://github.com/mneumann/graph-similarity-cmd written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/graph-similarity-cmd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1638932d16658f66970e7cc1cfa6c3431d95969aa2aa76e89ee31c02e9ce07b
[INFO] running `Command { std: "docker" "start" "-a" "b1638932d16658f66970e7cc1cfa6c3431d95969aa2aa76e89ee31c02e9ce07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1638932d16658f66970e7cc1cfa6c3431d95969aa2aa76e89ee31c02e9ce07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1638932d16658f66970e7cc1cfa6c3431d95969aa2aa76e89ee31c02e9ce07b", kill_on_drop: false }`
[INFO] [stdout] b1638932d16658f66970e7cc1cfa6c3431d95969aa2aa76e89ee31c02e9ce07b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bba75fa06eb98da57c4d13ec2f50af0f2e67e61cd916ae340f0c2647b655de86
[INFO] running `Command { std: "docker" "start" "-a" "bba75fa06eb98da57c4d13ec2f50af0f2e67e61cd916ae340f0c2647b655de86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling fixedbitset v0.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stderr]    Compiling asexp v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/asexp-0.3.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_char)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling petgraph v0.2.3
[INFO] [stderr]    Compiling munkres v0.2.0
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.18/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/asexp-0.3.0/src/atom.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     match s.slice_shift_char() {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&'a str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/asexp-0.3.0/src/token.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |     match s.slice_shift_char() {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ method not found in `&'a str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/asexp-0.3.0/src/token.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |                         match rest.slice_shift_char() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/asexp-0.3.0/src/token.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   match rest.slice_shift_char() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/asexp-0.3.0/src/token.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     match s2.slice_shift_char() {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asexp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/munkres-0.2.0/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::num::Zero;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/munkres-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(zero_one)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.3/src/graph.rs:428:21
[INFO] [stdout]     |
[INFO] [stdout] 428 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.3/src/graph.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout] 31  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 428 |         assert!(IndexType::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 428 |         assert!(Ord::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.3/src/graph.rs:428:38
[INFO] [stdout]     |
[INFO] [stdout] 376 | impl<N, E, Ty, Ix> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                -- this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 428 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.3/src/graph.rs:465:21
[INFO] [stdout]     |
[INFO] [stdout] 465 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.3/src/graph.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout] 31  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 465 |         assert!(IndexType::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 465 |         assert!(Ord::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.2.3/src/graph.rs:465:38
[INFO] [stdout]     |
[INFO] [stdout] 376 | impl<N, E, Ty, Ix> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                -- this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 465 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bba75fa06eb98da57c4d13ec2f50af0f2e67e61cd916ae340f0c2647b655de86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba75fa06eb98da57c4d13ec2f50af0f2e67e61cd916ae340f0c2647b655de86", kill_on_drop: false }`
[INFO] [stdout] bba75fa06eb98da57c4d13ec2f50af0f2e67e61cd916ae340f0c2647b655de86
